PMC:7543426 / 15341-15460 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T188","span":{"begin":0,"end":119},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Interestingly, spherules, very small vesicles containing single viral particles (Figure 3B and 3C), were also observed."}